Troubleshooting
Troubleshooting Basic Connection Issues on Compute Instances
This guide presents troubleshooting strategies for Compute Instances that are unresponsive to any network access. One reason that an instance may be unresponsive is if you recently performed a distribution upgrade or other broad software updates to your system, as those changes can lead to unexpected problems for your core system components.
Troubleshooting Firewall Issues on Compute Instances
This guide presents troubleshooting strategies for Compute Instances that may be unresponsive due to issues caused by a firewall.
Troubleshooting General Issues on Compute Instances
This guide provides common troubleshooting scenarios you may encounter when managing your Compute Instance. Each troubleshooting section provides ways to further diagnose your issue and the corresponding steps, when applicable, to resolve the issue.
Troubleshooting Memory Issues on Compute Instances
Many common issues with Compute Instances are caused by excessive memory consumption. When your Compute Instance is running low on physical memory, it may start to “swap thrash.
Troubleshooting SSH on Compute Instances
This guide presents troubleshooting strategies for when you can’t connect to your Compute Instance via SSH.
Troubleshooting Web Servers, Databases, and Other Services
This guide presents troubleshooting strategies for when you can’t connect to your web server, database, or other services running on your Compute Instance.
Troubleshooting DNS Issues
The most common DNS error is a simple typo, whether it’s from the client or the server.